Sort active milestones by due dates (closest first)
Added Flowdock integration support via a service.

Added test for the FlowdockService.
Fix invalid json in issues API doc
Fix json keys in groups API documentation
Use gitlab-flowdock-git-hook patched for dependency on gitlab-grit, instead of grit.

Make sure the flowdock-git-hook is loaded. Seems it is not autoloader, due to the gem/lib name mismatch.
Merge pull request #5216 from bladealslayer/feature/flowdock_integration

Added Flowdock integration support via a service.
Merge pull request #5230 from cmckni3/patch-1

Fix invalid json in API docs
Add troubleshooting hints to update hook check
API: new feature - remove group
Remove group api specs
Mention remove group api in CHANGELOG
Merge branch 'check_hooks' of /home/git/repositories/gitlab/gitlabhq
Merge pull request #5158 from tkoenig/fix-active-milestone-order

Sort active milestones by due date (upcoming first)
Merge branch 'feature/api_remove_group' of /home/git/repositories/gitlab/gitlabhq
Fix bugs when discussion visible in wrong project

Because notes scope was not limited by project in
MergeRequest#mr_and_commit_notes it causes comments from project A
appears in discussions for MR in project B.
Fix sudo commands in update guides
Run stopping commands in the foreground
Merge branch 'sidekiq_stop' of /home/git/repositories/gitlab/gitlabhq
Merge branch 'master' of github.com:gitlabhq/gitlabhq
Check if LDAP user was removed or blocked when use git over ssh